Some abilities affect the bearer, while others affect their allies or opponents
When it's defeated, exile it, then cast it transformed.) When Invasion of Theros enters the battlefield, search your library for an Aura, God, or Demigod card, reveal it, put it into your hand, then shuffle
Its Strafe attack enables clever switching plays, while Illusory Impulse deals a blistering 300 damage at the cost of discarding Energy
Odds of finding specific cards are not specified
These two got so bad that for a period of time my play group called for a removal check whenever one hit the field and, if nobody had any removal to speak of, wed all just scoop and restart the game rather than flail about as the Colossi wailed on our weak little planeswalker bodies